Subject: RE: CCM on Linux PC
From: Ghan, Steven J (Steve.Ghan@pnl.gov)
Date: Thu May 11 2000 - 16:27:19 MDT
Jim:
I followed the advice given below and have gotten into trouble with my linux
cluster. It is failing to reboot, giving repeated messages of "respawning too
fast". I will let it go for a few hours to find out if it will correct itself.
I'm not sure what I will do if it will not.
Does anyone have experience with this problem? If so, is there a way to increase
the stacksize without getting into trouble with spawning nodes?
-Steve Ghan
-----Original Message-----
From: Jim Rosinski [SMTP:rosinski@bearmtn-e0.cgd.ucar.edu]
Sent: Tuesday, January 12, 1999 9:53 AM
To: ccm-users@UCAR.EDU
Subject: CCM on Linux PC
CCM Users;
Here is a mechanism for increasing the boot-time stack memory limit on a PC
running Linux. Typing "limit stacksize unlimited" at the csh or tcsh prompt
may be insufficient for running the CCM or its ancillary programs
(e.g. definesurf). I do not understand how this mechanism works or why it
works. I can only say that it worked on my home PC on which I am running Red
Hat Linux 5.1. The source of this golden nugget of valuable info will remain
anonymous unless they wish to receive credit.
Log in as root and edit a file called /etc/initscript. On my machine this
script did not already exist. In it put the following lines:
#
ulimit -Hs unlimited
ulimit -Ss unlimited
eval exec "$4"
Then issue "chmod +x /etc/initscript" and reboot the machine. Logging in
either as root or an unpriviledged user should result in effectively
unlimited stack memory (on the order of 2 GB).
Regards,
Jim Rosinski
CCM Core Group
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